Gold Member Since 2012
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Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

Twin Conical Screw Barrel, Pvc Conical Twin Screw, 80/156 Conical Screw Barrel manufacturer / supplier in China, offering Double Screw Barrel Conical Twin Screw Barrel, Twin Co-Rotating Screw Elements Tin Screw Barrel, Twin Parallel Screw Barrel Double Screw Barrel PVC Granule Profile/Pellets and so on.

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Supplier Homepage Product Conical twin screw and barrel Double Screw Barrel Conical Twin Screw Barrel

Double Screw Barrel Conical Twin Screw Barrel

FOB Price: US $100 / Piece
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $100/ Piece
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Production Capacity: 500sets/Month
Transport Package: Film Wrapped in Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: double screw barrel PVC pipe/sheet/profile
  • Plastic Processed: PVC
  • Automation: Automatic
  • Trademark: Zhongyang
  • Origin: China
  • Type: Pipe Extruder
  • Screw: Twin-Screw
  • Computerized: Computerized
  • Specification: ISO9001: 2008
  • HS Code: 84779000
Product Description
Conical double screw barrel Twin Conical Screw Barrel PVC pipe extrusion screw barrel double screw barrel, plastic extrusion screw barrel, 65/132 extruder screw barrel

45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188

The above are standard specifications, we can customize according to customers' requirements.

The compression ratio of screws can be designed according to different products and ingredients

Technical Information

Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT

Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm

Warranty and service: 1 year

Our screw and barrel can ensure high performance and low energy consumption for Injection molding machine.
What's more, we can supply the most optimum designs of screw barrel with your requirements.
Conical twin screw barrel
DiameterΦ25/53,35/77,45/90,51/10,
55/110,65/120,65/132,
70/140,75/150,80/156, 80/172,90/184 92/188.etc
 
Designing
 
Screw structure and compression
ratio can be designed according
to different products  &different mixtrues.
 Standard SpecificationsISO9001,
GBT9001-2000
SO9001-2000
IAF,BOS,CNAS
Advantages1.Long time Nitriding Technology 
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.
Materials38CrMoAlA 
(JIS SACM645)
SKD61 .etc
Application  PS,HIPS,ABS,SAN,EPN/LDPE,HDPE,UHMPE,
EVA,PP,PVC,PMMA,POM,PAST,PET,PBT
Nitride Depth0.4mm-0.7mmTechnology1)Longer time Gas Nitriding treatment 
2)special anti-wear & abrasion alloy (bimetallic)
3)tungsten carbide;4)cobalt base alloy
5)stainless steel 6)Gh113 nickel based alloy  
Nitride Hardness950-1050HVPackingWrapped up by film in wooden
Nitride Brittleness≤Grade OnePayment 
Term
T/T , L/C ,Western Union
Surface RoughnessRa0.4umDelivery 
Term
20-30 working days
Screw Straightness0.015mmPort
 Departure
Shanghai/Ningbo
Alloy HardnessHRC55-62Min. Order1 set
Alloy Depth1.5mm-3.5mmWarranty period: 2-4years(Depends on the plastic raw materials)
Bimetallic: much longer lifetime.
Nitriding timeOver 180 hours
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